[Samba] Debugging a performance issue

[Jeremy Allison]

On Tue, Mar 30, 2021 at 10:04:35AM +0200, Stefan G. Weichinger via samba wrote:
>
>Am 29.03.21 um 19:38 schrieb Jeremy Allison:
>
>>>But I don't think it should be minutes versus seconds, right?
>>
>>Need more details I'm afraid. "specific tasks...that take a few minutes"
>>isn't enough to go on, sorry.
>
>Yes, I understand!
>
>I also don't know much about what they do. Basically they have several 
>filebased databases opened, files like
>
>BL6F.DAT
>BL6F.IX (index, I assume)
>
>and some .DIA files
>
>That's small files, one whole subdir is maybe 20M per customer.
>
>And the tasks are some processing in their software, which will result 
>in much read/write in all the above files.
>
>My assumption is that the locking behavior might influence the overall 
>time needed here. That's why I excluded the DAT files via "veto oplock 
>files", but that was years ago.
>
>What's the general recommendation here, especially with Windows10 clients?

Until we know what the problem is, or have more data it's
really hard to give advice, sorry

As far as we know Samba (modulo some features we're in
the process of adding) Windows behaves just like a
Windows server.